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Air Conditioner
3MXS40K2V1B
Daikin 3MXS40K2V1B User Manual
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Service
Manual
SiBE121135
E / F / G / K-Series
[Applied Models]
O
Inverte
r Multi : Cooling Only
O
Inverte
r Multi : Heat Pump
2
Table of Contents
Default Chapter
3
Table of Contents
3
Introduction
8
Safety Cautions
8
Used Icons
12
Part 1 List of Functions
13
Cooling Only
14
Outdoor Unit
14
Indoor Unit
15
Heat Pump
18
Outdoor Unit
18
Indoor Unit
19
Part 2 Specifications
26
Cooling Only
27
Outdoor Unit
27
Specifications
28
Indoor Unit
29
Ceiling Mounted Cassette Type
31
Ceiling Suspended Type
32
Heat Pump
34
Outdoor Unit
34
Indoor Unit
37
Floor Standing Type
41
Duct Connected Type
44
Part 3 Printed Circuit Board Connector Wiring Diagram
49
Outdoor Unit
50
Indoor Unit
53
Ftxg25/35/50Jv1Bw(A)
53
Ftxs20/25K2V1B, Ctxs15/35K2V1B
56
Ftxs25/35/42/50J2V1B
58
Ftxs60/71Gv1B
61
Fvxg25/35/50K2V1B
64
Fvxs25/35/50Fv1B
67
Flxs25/35/50/60Bavmb
69
Fdxs25/35E7Vmb, Fdxs50/60C7Vmb
71
Fcqg35/50/60Fveb
73
Ffq25/35/50/60B9V1B
76
Fhq35/50/60Bwv1B
78
Fdbq25B8V1
80
Fbq35/50/60C8Veb
82
Wired Remote Controller
85
Brc1D528
85
Brc1E52A7, Brc1E52B7
86
Part 4 Function and Control
87
Indoor Unit Control (RA Models)
88
Temperature Control
88
Frequency Principle
88
Operation Starting Control
90
Airflow Direction Control
91
Fan Speed Control for Indoor Unit
94
RADIANT Operation
95
Indoor Unit Fan Control
96
Program Dry Operation
97
Automatic Operation
98
Thermostat Control
99
NIGHT SET Mode
101
ECONO Operation
102
HOME LEAVE Operation
103
INTELLIGENT EYE Operation
104
2-Area INTELLIGENT EYE Operation
105
Inverter POWERFUL Operation
107
Multi-Colored Indicator Lamp / TIMER Lamp
107
Other Functions
109
Weekly Timer Operation
110
Brightness Setting of the Indoor Unit Display
110
Indoor Unit Control (SA Models)
111
Drain Pump Control
111
Thermostat Sensor in Remote Controller
113
Freeze Prevention Control
115
Hot Start Control (in Heating Operation Only)
116
Function of Thermistor
117
Control Specification
119
Mode Hierarchy
119
Frequency Control
120
Controls at Mode Changing / Start-Up
123
Discharge Pipe Temperature Control
124
Input Current Control
125
Freeze-Up Protection Control
125
Heating Peak-Cut Control
126
Outdoor Fan Control
127
Liquid Compression Protection Function
127
Defrost Control
128
Low Hz High Pressure Limit
129
Outdoor Electronic Expansion Valve Control
129
Pressure Equalizing Control
131
Malfunctions
134
Part 5 Operation Manual
136
System Configuration
137
RA Indoor Unit
138
FTXG, FTXS-K, CTXS, FVXG Series - ARC466A1, A2, A6
138
Name of Parts
139
Remote Controller
141
Model Name Plate
143
Signal Receiver
143
Indoor Unit On/Off Switch
143
Titanium Apatite Photocatalytic
148
Preparation before Operation
151
Fan Operation
153
Operating Conditions
154
Operation Manual
154
Temperature Setting
159
Adjusting the Airflow Direction and Rate
160
Ra Indoor Unit
161
Comfort Airflow Operation
166
Powerful Operation
169
Outdoor Unit Quiet Operation
171
Off Timer Operation
173
On Timer Operation
176
Note for Multi System
185
FTXS-J, FTXS-G, FVXS Series - ARC452A1, A3
190
Names of Parts
194
Names of Parts
196
Opening the Front Panel
197
To Change the Airflow Rate Setting
201
Adjusting the Airflow Direction
202
Comfort Airflow and Intelligent Eye Operation
208
Quiet Operation
216
Copy Mode
224
FLXS, FDXS Series - ARC433B67, B69
230
To Change the Air Flow Rate Setting
234
Timer Operation
241
SA Indoor Unit
245
Brc1D528
245
Part 6 Service Diagnosis
260
Troubleshooting with LED
262
Indoor Unit
262
Outdoor Unit
264
Problem Symptoms and Measures
265
Service Check Function
266
RA Indoor Unit - FTXG, FTXS, CTXS, FVXG, FVXS, FLXS, FDXS Series
266
SA Indoor Unit - FCQG, FFQ, FHQ, FDBQ, FBQ Series
275
Code Indication on Remote Controller
279
RA Indoor Unit - FTXG, FTXS, CTXS, FVXG, FVXS, FLXS
279
FDXS Series
279
SA Indoor Unit - FCQG, FFQ, FHQ, FDBQ, FBQ Series
279
RA Indoor Unit - FTXG, FTXS, CTXS, FVXG, FVXS, FLXS, FDXS Series
279
Sub Codes for SA Indoor Unit
280
Outdoor Unit
281
Troubleshooting for RA Indoor Unit - FTXG, FTXS, CTXS, FVXG, FVXS, FLXS, FDXS Series
282
Indoor Unit PCB Abnormality
282
Freeze-Up Protection Control or Heating Peak-Cut Control
284
Fan Motor or Related Abnormality
286
Radiant Panel Temperature Rise, Indoor Electronic Expansion Valve (Motor Operated Valve) Abnormality, Freeze-Up Protection Control (FVXG Series Only)
290
Thermistor or Related Abnormality (RA Indoor Unit)
292
Front Panel Open / Close Fault (FTXG Series Only)
293
Signal Transmission Error (between Indoor Unit and Outdoor Unit)
294
Unspecified Voltage (between Indoor Unit and Outdoor Unit)
295
Troubleshooting for SA Indoor Unit - FCQG, FFQ, FHQ, FDBQ, FBQ Series
296
Indoor Unit PCB Abnormality
296
Drain Water Level System Abnormality
297
Fan Motor or Related Abnormality
299
Swing Motor Lock (FHQ Series Only)
301
Drain System Abnormality
302
Thermistor or Related Abnormality (SA Indoor Unit)
303
Remote Controller Thermistor Abnormality
304
Signal Transmission Error
305
(Between Indoor Unit and Remote Controller)
305
Signal Transmission Error (between Indoor Unit and Remote Controller)
305
Signal Transmission Error
306
(Between MAIN Remote Controller and SUB Remote Controller)
306
Signal Transmission Error (between MAIN Remote Controller and SUB Remote Controller)
306
Field Setting Abnormality
307
Troubleshooting for Outdoor Unit
308
Refrigerant Shortage
308
Low-Voltage Detection or Over-Voltage Detection
310
Signal Transmission Error (on Outdoor Unit PCB)
312
Unspecified Voltage (between Indoor Unit and Outdoor Unit)
313
Anti-Icing Function in Other Rooms
313
Unspecified Voltage (between Indoor Unit and Outdoor Unit) / Anti-Icing Function in Other Rooms
313
Anti-Icing Function
314
Outdoor Unit PCB Abnormality
316
OL Activation (Compressor Overload)
317
Compressor Lock
318
DC Fan Lock
319
Input Overcurrent Detection
320
Discharge Pipe Temperature Control
321
High Pressure Control in Cooling
322
Compressor Sensor System Abnormality
323
Position Sensor Abnormality
325
CT or Related Abnormality
327
Thermistor or Related Abnormality (Outdoor Unit)
329
Electrical Box Temperature Rise
331
Radiation Fin Temperature Rise
333
Output Overcurrent Detection
335
Check
337
Thermistor Resistance Check
337
Fan Motor Connector Check
338
Hall IC Check
339
Indoor Electronic Expansion Valve Coil Check
339
Power Supply Waveform Check
340
Outdoor Electronic Expansion Valve Check
341
Four Way Valve Performance Check
342
Inverter Unit Refrigerant System Check
342
Inverter Checker" Check
343
Rotation Pulse Check on the Outdoor Unit PCB
344
Installation Condition Check
345
Discharge Pressure Check
345
Outdoor Fan System Check
346
Capacitor Voltage Check
346
Power Module Check
347
Part 7 Removal Procedure
348
Outdoor Unit: 40-75 Class
349
Removal of Outer Panels
349
Removal of Electrical Box
353
Removal of Pcbs
361
Removal of Outdoor Fan / Fan Motor
366
Removal of Sound Blankets
368
Removal of Coils / Thermistors
372
Removal of Distributor
375
Removal of Four Way Valve
376
Removal of Compressor
377
Outdoor Unit: 80/90 Class
379
Removal of Outer Panels
379
Removal of Electrical Box
394
Removal of Pcbs
400
Removal of Fan Motor
404
Removal of Coils / Thermistors
405
Removal of Sound Blankets
411
Removal of Compressor
414
Part 8 Trial Operation and Field Settings
415
Pump down Operation
416
Forced Operation
417
Wiring Error Check Function
418
Trial Operation
420
RA Indoor Unit - FTXG, FTXS, CTXS, FVXG, FVXS, FLXS, FDXS Series
420
SA Indoor Unit - FCQG, FFQ, FHQ, FDBQ, FBQ Series
422
Field Settings
424
Outdoor Unit
424
RA Indoor Unit - FTXG, FTXS, CTXS, FVXG, FVXS, FLXS
427
FDXS Series
427
Jumper and Switch Settings
430
SA Indoor Unit - FCQG, FFQ, FHQ, FDBQ, FBQ Series
431
Application of Silicon Grease to a Power Transistor and a Diode Bridge
435
Part 9 Appendix
436
Piping Diagrams
437
Outdoor Unit
437
Indoor Unit
442
Wiring Diagrams
449
Outdoor Unit
449
Indoor Unit
454
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Installation Manual
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Daikin 3MXS40K2V1B Specifications
General
Model
3MXS40K2V1B
Category
Air Conditioner
Cooling Capacity
4.0 kW
Outdoor Unit Weight
34 kg
Power Supply
220-240V / 50Hz / 1Ph
Refrigerant
R32
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